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- Part Number UC3824DW
- Manufacturer Texas Instruments
- Pin Count 16
- Part Category Integrated Circuit
- Package Category Small Outline Packages
- Footprint Name Small Outline Packages - DW (R-PDSO-G16)
- Released Date Aug 26, 2021
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
UC3824DW Details
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Manufacturer Part Number:
UC3824DW
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Brand Name:
Texas Instruments
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Pbfree Code:
Yes
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Rohs Code:
Yes
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Part Life Cycle Code:
Active
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.90
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Manufacturer:
Texas Instruments
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YTEOL:
15
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Additional Feature:
ALSO OPERATES IN CURRENT MODE
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Analog IC - Other Type:
SWITCHING CONTROLLER
UC3824DW Frequently Asked Questions (FAQs)
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The UC3824DW is a high-frequency switching regulator, and proper layout and placement are crucial for its operation. TI recommends a 4-layer PCB with a solid ground plane, and the IC should be placed close to the input capacitors. The switching node (pin 11) should be kept away from sensitive nodes, and the output filter components should be placed close to the output pins.
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The inductor selection depends on the output current, switching frequency, and output voltage. TI recommends using a shielded inductor with a low DC resistance and high saturation current. The inductor value should be chosen to ensure that the peak-to-peak ripple current is within 20-30% of the output current.
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The UC3824DW has an absolute maximum input voltage rating of 30V, but the recommended maximum input voltage is 24V to ensure reliable operation. Exceeding the recommended input voltage may reduce the IC's lifespan or cause it to fail.
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The UC3824DW requires a compensation network to ensure stability. TI recommends using a Type II compensation network, which consists of a resistor, capacitor, and optional zero-pin. The compensation values depend on the output voltage, output current, and switching frequency.
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The soft-start pin is used to control the output voltage rise time during startup. By connecting a capacitor to this pin, the output voltage will rise slowly, reducing the inrush current and preventing output voltage overshoot.
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UC3824DW Overview
Use the download button to access the UC3824DW schematic symbol, PCB footprint, and 3D model.
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
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